Greater London Authority (GLA)

The GLA is a strategic regional authority, with powers over transport, policing, economic development, and fire and emergency planning. Three functional bodies — Transport for London, the Mayor's Office for Policing and Crime, and London Fire and Emergency Planning Authority — are responsible for delivery of services in these areas.

This dataset contains documentation and reporting relating to the GLA 2016-based population and household projections.
The 2016-based projections model outputs can be downloaded here:
Projections Outputs
The documentation archive containing methodology and reporting from previous rounds of GLA projections can be found here:
Document Archive

This Excel tool enables you to interrogate data annual data between 2004 and 2016 at London borough level released by the Office for National Statistics in the Local Area Migration Indicators suite (LAMI).
Data includes:
Long-term international migration
Internal migration
new migrant GP registrations
Births
National Insurance number registrations to overseas nationals

This Intelligence Unit Update (08-2016) analyses a range of data for London and the rest of the country, looking at trends in the number and patterns of births, and potential subsequent impacts on demand for school places.
The Update and accompanying data are available to download.

This Update from the GLA Intelligence Unit analyses the ONS 2014 mid-year population estimates and associated components of change focussing on London and comparing these to ONS and GLA population projections.

In 2015 London's population surpassed its previous peak of 8.6 million people. This dataset contains an excel workbook showing borough population estimates and projections for the period 1939 - 2039 and a brief summary of population change in the capital.